Identify the intersection of plane abd and plane cde

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Find the missing dimension! need asap! tiny square is a =3025 in ²